CN205104368U - In situ synthesis znO nanometer piece light anode film - Google Patents
In situ synthesis znO nanometer piece light anode film Download PDFInfo
- Publication number
- CN205104368U CN205104368U CN201520834511.3U CN201520834511U CN205104368U CN 205104368 U CN205104368 U CN 205104368U CN 201520834511 U CN201520834511 U CN 201520834511U CN 205104368 U CN205104368 U CN 205104368U
- Authority
- CN
- China
- Prior art keywords
- zno
- nanometer piece
- zno nanometer
- zno nano
- film
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/542—Dye sensitized solar cells
Landscapes
- Hybrid Cells (AREA)
Abstract
The utility model discloses an in situ synthesis znO nanometer piece light anode film, including FTO conductive glass, still interlocking by znO nanometer piece on the conducting layer that is located FTO conductive glass pile up the znO nanometer lamella of constituteing, interlock, pile up the formation micropore between the znO nanometer piece each other, znO nanometer piece comprises znO nano particle, and the diameter of znO granule is 20-25nm, and cloth has mesoporously between the znO nano particle on the znO nanometer piece. The utility model discloses a znO nanometer piece membrane has following characteristics: two dimension znO nanometer piece has shortened photoproduction electronic transmission route, znO nanometer piece membrane has the micropore, and the micropore is favorable to the diffusion of electrolyte in nanometer piece membrane, znO nanometer piece membrane has mesoporously in a large number, and the mesoporous specific surface who increases znO nanometer piece membrane is favorable to the volume of increasing dye adsorption to increase the short -circuit current of battery. The utility model discloses an it is efficient that dye -sensitized solar cell photoelectric conversion is assembled into to the light anode film.
Description
Technical field
The utility model relates to technical field of solar batteries, particularly a kind of fabricated in situ ZnO nano sheet photo-anode film.
Background technology
Current, investigation and application is solar cell mainly silicon system solar cell the most widely, but to problems such as environments, thus can limit its extensive use because its cost is high, in large, the production process of complex process, energy consumption.1991,
reach the DSSC (DyeSensitizedSolarCell is called for short DSSC) of 7.9% etc. reported first photoelectric conversion efficiency, start the uncharted field of solar cell research and development.DSSC is by light anode, form a few parts such as electrode, dye sensitizing agent, conductive substrates, electrolyte, and wherein light anode is the core component of DSSC.Nano ZnO material is a kind of important DSSC light anode material, and current obtaining answers general research.The ZnO of existing multiple different-shape is applied in DSSC, as ZnO nanorod, multilevel hierarchy ZnO microsphere, ZnO nano grain, ZnO nano-wire and ZnO composite construction etc.The ZnO nano sheet with multilevel hierarchy, owing to having larger specific area and good pore channel, is conducive to increasing the transmission of Dye Adsorption amount, electrolytical diffusion and electronics, is therefore conducive to the raising of efficiency of dye-sensitized solar battery.
Current making ZnO nanometer sheet photo-anode film main method has electrochemical deposition method and chemical bath deposition method, and wherein the film of electrochemical deposition method acquisition is thinner.Chemical bath deposition method mainly adopts two water zinc acetate/methyl alcohol, zinc nitrate hexahydrate/urea is initial action system, and these two kinds of reaction systems can prepare the porous ZnO nanometer sheet of vertical conduction substrate.Zinc nitrate hexahydrate/hexamethylenetetramine water solution system is widely used in the growth of ZnO nanorod, because ZnO is polar crystal, during liquid phase method synthesis ZnO, and growth unit [Zn (OH)
4]
2-be easy to assemble on positive polarity face, promote ZnO crystal and grow fast along c-axis direction, thus it is bar-shaped that ZnO crystal is easily presented.But the specific area of ZnO nanorod light anode is less, and absorbing dye amount is low, thus limits the photoelectric conversion rate of ZnO nanorod DSSC.
Utility model content
The purpose of this utility model is the deficiency that will solve prior art problem, a kind of fabricated in situ ZnO nano sheet photo-anode film and preparation method thereof is provided, adopt the zinc nitrate hexahydrate/hexamethylenetetramine aqueous solution of high concentration, and by extending the hydrothermal synthesis reaction time, the ZnO rod of growth being dissolved again and then synthesizes ZnO nano sheet.
For achieving the above object, the utility model is implemented according to following technical scheme:
A kind of fabricated in situ ZnO nano sheet photo-anode film, comprises FTO electro-conductive glass, also comprise be positioned at FTO electro-conductive glass conductive layer on to be staggeredly stacked the ZnO nano lamella formed by ZnO nano sheet, interlaced, stacking formation micropore between described ZnO nano sheet.
Further, described ZnO nano sheet is made up of ZnO nano particle, and the diameter of ZnO particle is 20 ~ 25nm, is furnished with mesoporous between the ZnO nano particle on described ZnO nano sheet.
The preparation method of above-mentioned fabricated in situ ZnO nano sheet photo-anode film, comprises the following steps:
1) preparation of growth-promoting media: zinc nitrate hexahydrate and hexamethylenetetramine are dissolved in the deionized water of 25 DEG C, and solution is stirred, obtain growth-promoting media, in growth-promoting media, zinc nitrate hexahydrate and hexamethylenetetramine concentration is in aqueous identical;
2) preparation of ZnO nano sheet film: by the conducting surface of FTO electro-conductive glass cleaned up down slant setting in hydrothermal reaction kettle, the growth-promoting media prepared is moved in hydrothermal reaction kettle, and the liquid level of growth-promoting media is higher than FTO electro-conductive glass peak; Hydrothermal reaction kettle is placed in the baking oven being heated to 90 ~ 120 DEG C and carries out hydro-thermal reaction 72 ~ 144h, after reaction terminates, reactor is taken out, and take out the growth in situ FTO electro-conductive glass of film, with deionized water rinsing film surface, to remove responseless growth-promoting media, then film is dry, more dried film is calcined, namely obtain ZnO nano sheet photo-anode film after calcining.
As further preferred version of the present utility model, described step 2) in film is carried out baking temperature is 100 ~ 120 DEG C.
As further preferred version of the present utility model, described step 2) in film is carried out calcining heat is 250 ~ 450 DEG C.
As further preferred version of the present utility model, described step 2) in calcining time heating rate be 8 DEG C/min.
As further preferred version of the present utility model, described step 2) in film is calcined after be incubated, temperature retention time is 30 ~ 120min
Compared with prior art, the utility model has following beneficial effect:
(1) the utility model only uses zinc nitrate hexahydrate and hexamethylenetetramine as reaction raw materials, and adopt low-temperature hydrothermal synthetic method, reaction temperature is low, technical process is simple, equipment is simple, and cost is low;
(2) photo-anode film that obtains of the utility model is by having unordered stacking the formed film of multilevel hierarchy ZnO nano sheet, and this ZnO nano sheet film exists two kinds of pore structures simultaneously: a kind of is the micropore of interlaced between nanometer sheet and nanometer sheet, stacking formation; Another kind is that it is mesoporous to be clouded in nanometer sheet, and micropore is conducive to the diffusion of electrolyte in nanometer sheet film; The mesoporous specific area adding ZnO nano sheet film, is conducive to increasing Dye Adsorption amount, thus increases the short circuit current of battery.This structure of the utility model ZnO nano sheet film is as the advantage of DSSC work electrode: a. is relative to the complete light anode be made up of ZnO nano particle, in ZnO meso-porous nano chip architecture, light induced electron directly can transmit along two-dimensional nano sheet, improves the collection efficiency of light induced electron; The mesoporous specific area substantially increasing nanometer sheet of b. gathering, thus increase Dye Adsorption amount and photogenerated current; C. between nanometer sheet, electrolyte infiltration is convenient in micron-sized space.Therefore, the ZnO nano sheet of the utility model double pores system is conducive to the transmission at light anode/dyestuff/electrolyte interface of the absorption of dyestuff, the infiltration of electrolyte and electronics, thus obtains higher photoelectric conversion efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of ZnO nano sheet film of the present utility model;
Fig. 2 is the vertical view of ZnO nano sheet film of the present utility model;
Fig. 3 is the I-V curve tested after the utility model is assembled into battery.
Embodiment
Below in conjunction with specific embodiment, the utility model is further described, is used for explaining the utility model in the illustrative examples of this utility model and explanation, but not as to restriction of the present utility model.
Embodiment one
The preparation process of a kind of ZnO nano of the present embodiment sheet dye-sensitized solar cell anode film is as follows:
(1) preparation of growth-promoting media
The deionized water measuring 140ml with graduated cylinder is poured in beaker, adds 8.32g zinc nitrate hexahydrate and 3.92g hexamethylenetetramine successively under magnetic stirring in beaker, stirs, stirred by solution and obtain growth-promoting media at 25 DEG C; Zinc nitrate hexahydrate and hexamethylenetetramine concentration is in aqueous 0.2M;
(2) preparation of multistage ZnO nano sheet film
The hydrothermal reaction kettle that volume is 200ml is put into by downward-sloping for the electro-conductive glass conducting surface cleaned up, then 140ml growth-promoting media is poured in hydrothermal reaction kettle, the volume filling rate of hydrothermal reaction kettle is 70%, then hydrothermal reaction kettle is put into the baking oven being heated to 90 DEG C and carries out hydro-thermal reaction.The hydro-thermal reaction time is 144h.After hydro-thermal reaction terminates, taken out by reactor, question response still temperature is down to room temperature 25 DEG C, is taken out by film, uses deionized water rinsing film.Dried at 120 DEG C by film, then calcine in Muffle furnace, calcining heat is 350 DEG C, and temperature retention time is 30min, and calcining heating rate is 8 DEG C/min; Thus obtain ZnO nano sheet photo-anode film.
Embodiment two
The preparation process of a kind of ZnO nano of the present embodiment sheet dye-sensitized solar cell anode film is as follows:
(1) preparation of growth-promoting media
The deionized water measuring 140ml with graduated cylinder is poured in beaker, adds 8.32g zinc nitrate hexahydrate and 3.92g hexamethylenetetramine successively under magnetic stirring in beaker, stirs, stirred by solution and obtain growth-promoting media at 25 DEG C; Zinc nitrate hexahydrate and hexamethylenetetramine concentration is in aqueous 0.2M;
(2) preparation of multistage ZnO nano sheet film
The hydrothermal reaction kettle that volume is 200ml is put into by downward-sloping for the electro-conductive glass conducting surface cleaned up, then 140ml growth-promoting media is poured in hydrothermal reaction kettle, the volume filling rate of hydrothermal reaction kettle is 70%, then hydrothermal reaction kettle is put into the baking oven being heated to 90 DEG C and carries out hydro-thermal reaction.The hydro-thermal reaction time is 72h.After hydro-thermal reaction terminates, taken out by reactor, question response still temperature is down to room temperature 25 DEG C, has the electro-conductive glass of film to take out growth, uses deionized water rinsing film.Dried at 120 DEG C by film, then calcine in Muffle furnace, calcining heat is 350 DEG C, and temperature retention time is 30min, and calcining heating rate is 8 DEG C/min; Thus obtain ZnO nano sheet photo-anode film.
Embodiment three
The preparation process of a kind of ZnO nano of the present embodiment sheet dye-sensitized solar cell anode film is as follows:
(1) preparation of growth-promoting media
The deionized water measuring 140ml with graduated cylinder is poured in beaker, adds 8.32g zinc nitrate hexahydrate and 3.92g hexamethylenetetramine successively under magnetic stirring, stirs at 25 DEG C of temperature, stirred by solution and obtain growth-promoting media in beaker; Zinc nitrate hexahydrate and hexamethylenetetramine concentration is in aqueous 0.2M;
(2) preparation of multistage ZnO nano sheet film
The hydrothermal reaction kettle that volume is 200ml is put into by downward-sloping for the electro-conductive glass conducting surface cleaned up, then 140ml growth-promoting media is poured in hydrothermal reaction kettle, the volume filling rate of hydrothermal reaction kettle is 70%, then hydrothermal reaction kettle is put into the baking oven being heated to 120 DEG C and carries out hydro-thermal reaction.The hydro-thermal reaction time is 72h.After hydro-thermal reaction terminates, taken out by reactor, question response still temperature is down to room temperature 25 DEG C, has the electro-conductive glass of film to take out growth, uses deionized water rinsing film.Dried at 120 DEG C by film, then calcine in Muffle furnace, calcining heat is 250 DEG C, and temperature retention time is 30min, and calcining heating rate is 8 DEG C/min; Thus obtain ZnO nano sheet photo-anode film.
Embodiment four
The preparation process of a kind of ZnO nano of the present embodiment sheet dye-sensitized solar cell anode film is as follows:
(1) preparation of growth-promoting media
The deionized water measuring 140ml with graduated cylinder is poured in beaker, adds 16.65g zinc nitrate hexahydrate and 7.85g hexamethylenetetramine successively under magnetic stirring in beaker, stirs, stirred by solution and obtain growth-promoting media at 25 DEG C; Zinc nitrate hexahydrate and hexamethylenetetramine concentration is in aqueous 0.4M;
(2) preparation of multistage ZnO nano sheet film
The hydrothermal reaction kettle that volume is 200ml is put into by downward-sloping for the electro-conductive glass conducting surface cleaned up, then 140ml growth-promoting media is poured in hydrothermal reaction kettle, the volume filling rate of hydrothermal reaction kettle is 70%, then hydrothermal reaction kettle is put into the baking oven being heated to 90 DEG C and carries out hydro-thermal reaction.The hydro-thermal reaction time is 144h.After hydro-thermal reaction terminates, taken out by reactor, question response still temperature is down to room temperature 25 DEG C, has the electro-conductive glass of film to take out growth, uses deionized water rinsing film.Dried at 120 DEG C by film, then calcine in Muffle furnace, calcining heat is 350 DEG C, and temperature retention time is 30min, and calcining heating rate is 8 DEG C/min; Thus obtain ZnO nano sheet photo-anode film.
See the photo-anode film obtained by Fig. 1 and Fig. 2 the utility model embodiment by also comprise be positioned at FTO electro-conductive glass 1 conductive layer on to be staggeredly stacked the ZnO nano lamella 2 formed by ZnO nano sheet, interlaced, stacking formation micropore 3 between described ZnO nano sheet.ZnO nano sheet is made up of ZnO nano particle 4, and the diameter of ZnO particle 4 is 20 ~ 25nm, is furnished with mesoporous 5 between the ZnO nano particle 4 on ZnO nano sheet.
Owing to structure there is micropore and mesoporous in photo-anode film prepared by the utility model, electronics transmits the few feature of fast compound between two-dimensional nano sheet simultaneously, so the performance of battery as shown in Figure 3, ZnO photo-anode film of the present utility model makes DSSC concrete steps: will be cooled to the ZnO photo-anode film of 80 DEG C after calcining, under room temperature, 2h is flooded in 0.05mMN719 dyestuff, take out the N719 dyestuff that photo-anode film absolute ethyl alcohol rinses surface, then the photo-anode film of N719 dyestuff has been adsorbed and the FTO of pyrolysis platinum forms open sandwich structure battery to electrode by after oven dry.Light anode and to electrode between drip liquid electrolyte, liquid electrolyte consist of 0.6M1-butyl-3-methylimidazole salt compounded of iodine, 0.06MLiI, 0.03MI
2, 0.5M4-tert .-butylpyridine and 0.1M guanidinium isothiocyanate acetonitrile solution.
The technical solution of the utility model is not limited to the restriction of above-mentioned specific embodiment, and every technology distortion made according to the technical solution of the utility model, all falls within protection range of the present utility model.
Claims (2)
1. a fabricated in situ ZnO nano sheet photo-anode film, comprise FTO electro-conductive glass (1), it is characterized in that, also comprise be positioned at FTO electro-conductive glass (1) conductive layer on to be staggeredly stacked the ZnO nano lamella (2) formed by ZnO nano sheet, interlaced, stacking formation micropore (3) between described ZnO nano sheet.
2. fabricated in situ ZnO nano sheet photo-anode film according to claim 1, it is characterized in that: described ZnO nano sheet is made up of ZnO nano particle (4), the diameter of ZnO particle (4) is 20 ~ 25nm, is furnished with mesoporous (5) between the ZnO nano particle (4) on described ZnO nano sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520834511.3U CN205104368U (en) | 2015-10-26 | 2015-10-26 | In situ synthesis znO nanometer piece light anode film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520834511.3U CN205104368U (en) | 2015-10-26 | 2015-10-26 | In situ synthesis znO nanometer piece light anode film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205104368U true CN205104368U (en) | 2016-03-23 |
Family
ID=55520130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520834511.3U Expired - Fee Related CN205104368U (en) | 2015-10-26 | 2015-10-26 | In situ synthesis znO nanometer piece light anode film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205104368U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110102333A (en) * | 2019-06-19 | 2019-08-09 | 牡丹江师范学院 | A kind of preparation method of C, N codope ZnO nano-structure array |
-
2015
- 2015-10-26 CN CN201520834511.3U patent/CN205104368U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110102333A (en) * | 2019-06-19 | 2019-08-09 | 牡丹江师范学院 | A kind of preparation method of C, N codope ZnO nano-structure array |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102280268B (en) | Double-layer structured photoanode of dye-sensitized solar cell and preparation method thereof | |
| CN101702377B (en) | Zinc oxide/titanium dioxide hybrid electrode and preparation method thereof | |
| CN102779864B (en) | Cadmium telluride thin-film battery and manufacturing method thereof | |
| CN104362412A (en) | ZnO/g-C3N4 nanocomposite and preparation method thereof | |
| CN104016405A (en) | Flower-shaped mesoporous titanium dioxide material and preparation method and application thereof | |
| CN103887082A (en) | Method for growing hexagonal Co(OH)2 on surface of metal foamed nickel | |
| CN106128772B (en) | A kind of preparation method of vulcanized lead quantum dot photovoltaic battery | |
| CN101567268B (en) | Method for preparing ternary two-layer titanium dioxide film | |
| CN104167293B (en) | Dye-sensitized solar cell photoanode and producing method thereof | |
| CN105810832A (en) | Perovskite solar cell optimized based on oxide with excellent conductivity | |
| CN102610394B (en) | Preparation method of transition metal doped alpha-Fe2O3 nano rod array | |
| CN105244168B (en) | The preparation method of a kind of ZnO nano sheet thin film with multilevel hierarchy and prepared thin film thereof | |
| CN105244171B (en) | A kind of fabricated in situ ZnO nano piece photo-anode film and preparation method thereof | |
| CN106299141A (en) | A kind of manufacture method of the perovskite solaode of composite electron transport layer structure | |
| CN109585054A (en) | The dry conductive carbon paste of green solvent Shift Method is applied to perovskite solar battery | |
| CN103794373A (en) | Cu2ZnSnS4 / MWCNT nano composite counter electrode for dye-sensitized solar cell and preparation method thereof | |
| CN109671846A (en) | Perovskite solar battery and its preparation using three-dimensional structure graphene as back electrode | |
| CN205104368U (en) | In situ synthesis znO nanometer piece light anode film | |
| CN104752063A (en) | Porous TiO2 nanocrystalline thin film with three-dimensional nanorod film chip structure, preparation method and application | |
| CN107342364A (en) | A kind of UV photodetector of zinc oxide polyaniline sandwich structure and preparation method thereof | |
| CN104701531A (en) | In-situ carbon-coating hexagon K0.7[Fe0.5Mn0.5]O2 nano material as well as preparation method and application thereof | |
| CN106449099B (en) | A kind of preparation method and photo-anode film based on ZnO nano powder photo-anode film | |
| CN114639552A (en) | Electrode material for enhancing capacitive energy by utilizing sunlight irradiation and preparation method thereof | |
| CN105225839B (en) | The preparation method of a kind of high efficiency zno-based dye-sensitized solar cell anode and prepared light anode thereof | |
| CN105931849A (en) | Preparation method of ZnO nanorod/nanosheet composite structure photo-anode film and photo-anode film prepared by preparation method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160323 Termination date: 20191026 |